The Therma-Pro Insulated Cavity Closer is designed to close off the cavity around window and door reveals without the need for a return block, preventing cold bridging and eliminating moisture, mould and staining from around windows and doors. The 2.4m lengths are manufactured from a rigid PVCu profile that is insulated with extruded polystyrene. The Therma-Pro Insulated Cavity Closer is manufactured to the specific cavity size required and can be made to suit cavities from 50mm up to 300mm.

Key Features

Closes off cavities around window and door reveals

Prevents cold bridging

Insulated with ODP and GWP zero rated extruded polystyrene

2.4m In length

Fire PropertiesThe extruded polystyrene insulation used to manufacture the Therma-Pro Insulated Cavity Closer is classified as Euroclass F. When installed as a cavity closer and when protected by plasterboard and screed, a Euroclass B classification can be achieved.